128  * bch2_printbuf_tabstop_set() - add a tabstop, n spaces from the previous tabstop
131  * @spaces: number of spaces from previous tabpstop
134  * PRINTBUF_INLINE_TABSTOPS or setting tabstops more than 255 spaces from start
137 int bch2_printbuf_tabstop_push(struct printbuf *buf, unsigned spaces)  in bch2_printbuf_tabstop_push()  argument
146 	buf->_tabstops[buf->nr_tabstops++] = prev_tabstop + spaces;  in bch2_printbuf_tabstop_push()
155  * @spaces: number of spaces to add to the current indent level
158  * of the current line, will be indented by @spaces more spaces.
160 void bch2_printbuf_indent_add(struct printbuf *buf, unsigned spaces)  in bch2_printbuf_indent_add()  argument
162 	if (WARN_ON_ONCE(buf->indent + spaces < buf->indent))  in bch2_printbuf_indent_add()
163 		spaces = 0;  in bch2_printbuf_indent_add()
165 	buf->indent += spaces;  in bch2_printbuf_indent_add()
166 	prt_chars(buf, ' ', spaces);  in bch2_printbuf_indent_add()
175  * @spaces: number of spaces to subtract from the current indent level
178  * of the current line, will be indented by @spaces less spaces.
180 void bch2_printbuf_indent_sub(struct printbuf *buf, unsigned spaces)  in bch2_printbuf_indent_sub()  argument
182 	if (WARN_ON_ONCE(spaces > buf->indent))  in bch2_printbuf_indent_sub()
183 		spaces = buf->indent;  in bch2_printbuf_indent_sub()
186 		buf->pos -= spaces;  in bch2_printbuf_indent_sub()
189 	buf->indent -= spaces;  in bch2_printbuf_indent_sub()
215  * Returns spaces from start of line, if set, or 0 if unset:
226 	int spaces = max_t(int, 0, cur_tabstop(out) - printbuf_linelen(out));  in __prt_tab()  local
228 	prt_chars(out, ' ', spaces);  in __prt_tab()
238  * Advance output to the next tabstop by printing spaces.
279  * Advance output to the next tabstop by inserting spaces immediately after the